US3518898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque-speed converter
Assignee: Individual
•
Filing: 1969-08-26
•
Granted: 1970-07-07
•
Expires: 1989-08-26
Abstract
No abstract record available.
Inventors
- 👤 Jerome Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:44
CPC Classifications
F; F16; F16D; F16D67/00; F16H; F16H47/00; F16H47/06; F16H47/08; F16H47/085; F16H47/10; F16H2200/00; F16H2200/20; F16H2200/2097
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |